乗ず: archaic for 乗じる: (mathematics) to multiply; to take an opportunity, to seize an advantage / 成ず: (archaic) to become, to become complete; to accomplish or fulfill something

上手: (rare) skill, dexterity; flattery (from being told how skillful one is, even if one isn't); a person with the seventh dan in the games of shogi or go

big, large, great

the diagram above; the top illustration

skillful, dexterous

(rare) skill, dexterity / flattery (from being told how skillful one is, even if one isn't) / a person with the seventh dan in the games of shogi or go

直ぐに: immediately

直ぐ: immediately, right away, soon / 直ぐ: quick to / 直ぐ: right next to, right close by

straight, not bent

(obsolete) 過ぐ: classical form of modern 過ぎる (sugiru, “to go through, to go past; to exceed”)